$(document).ready(function () {
    $('#sample-seq').click(function () {
        event.preventDefault(); // 避免改掉 location，发生跳转
        $('#qSeq').val('>pSc119.2_1\nCCGTTTTGTGGACTATTACTCACCGCTTTGGGGTCCCATAGCTAT');
    });
});